全屏和隐藏标题栏的方法

public void setFullscreen() {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }
   
//无标题
    public void setNoTitle() {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
    }